@title Iso Bracket Real
@param a counter begin 
@default a 1
@param b Step size 
@default b 200
@param c Steps count 
@default c 10

sleep 500

for i=a to c
  g=i*b 
  press "shoot_half"
  sleep 2000
  set_focus g
  get_focus e
  print "FOC:", e
  sleep 2000
  press "shoot_full"
  release "shoot_full"
  release "shoot_half"
next i
end